Assessment of heavy metals in Averrhoa bilimbi and A. carambola fruit samples at two developmental stages (Article)
Department of Botany, University of Kerala, Kariavattom, Thiruvananthapuram, Kerala, India
Abstract
Though the fruits of
Averrhoa bilimbi and A. carambola are economically and medicinally
important, they remain underutilized. The present study reports heavy
metal quantitation in the fruit samples of A. bilimbi and A. carambola
(Oxalidaceae), collected at two stages of maturity. Heavy metals are
known to interfere with the functioning of vital cellular components.
Although toxic, some elements are considered essential for human health,
in trace quantities. Heavy metals such as Cr, Mn, Co, Cu, Zn, As, Se,
Pb, and Cd were analyzed by atomic absorption spectroscopy (AAS). The
samples under investigation included, A. bilimbi unripe (BU) and ripe
(BR), A. carambola sour unripe (CSU) and ripe (CSR), and A. carambola
sweet unripe (CTU) and ripe (CTR). Heavy metal analysis showed that
relatively higher level of heavy metals was present in BR samples
compared to the rest of the samples. The highest amount of As and Se
were recorded in BU samples while Mn content was highest in CSU samples
and Co in CSR. Least amounts of Cr, Zn, Se, Cd, and Pb were noted in CTU
while, Mn, Cu, and As were least in CTR. Thus, the sweet types of A.
carambola (CTU, CTR) had comparatively lower heavy metal content. There
appears to be no reason for concern since different fruit samples of
Averrhoa studied presently showed the presence of various heavy metals
in trace quantities. © 2016, Springer International Publishing Switzerland.
Author keywords
Averrhoa bilimbi; Averrhoa carambola; Heavy metals; Maturity
Indexed keywords
Engineering controlled terms: Absorption spectroscopy;
Atomic absorption spectrometry; Cadmium; Fruits; Heavy metals; Lead;
Manganese; Metal analysis; Trace elements; Zinc
Atomic absorption spectroscopy; Averrhoa bilimbi;
Averrhoa carambola; Cellular components; Developmental stage; Fruit
samples; Heavy metal contents; Maturity
Engineering main heading: Copper
Species Index: Averrhoa; Averrhoa bilimbi; Averrhoa carambola; Oxalidaceae
ISSN: 01676369
CODEN: EMASDSource Type: Journal
Original language: English
DOI: 10.1007/s10661-016-5298-zDocument Type: Article
Publisher: Springer International Publishing
Soumya, S.L.; Department of Botany, University of Kerala, Kariavattom, India; email:sl.soumya@yahoo.com
© Copyright 2016 Elsevier B.V., All rights reserved.
© Copyright 2016 Elsevier B.V., All rights reserved.